3skeng Plugin Sketchup Free ((better)) -

3skeng is not compatible with the free, web-based version of SketchUp (SketchUp Free). It requires a desktop version of SketchUp (such as Pro or Studio) that supports third-party extensions. Key Tools in the 3skeng Suite

You can experience the full power of 3skeng without an upfront commitment. 3skeng plugin sketchup free